java spring boot, update nginx and docker compose

docker-compose.yml

@@ -7,6 +7,14 @@ services:
     build: ./dotnet
     environment:
       - NAME=Kili
+  java-1:
+    build: ./java
+    environment:
+      - NAME=FiliJava
+  java-2:
+    build: ./java
+    environment:
+      - NAME=KiliJava
   nginx:
     image: nginx
     volumes:

java/.dockerignore

@@ -0,0 +1,25 @@
+target/
+
+.idea/
+.vscode/
+.settings/
+.classpath
+.project
+
+.git
+.gitignore
+
+tmp/
+*.tmp
+*.log
+
+Dockerfile
+Dockerfile.*
+docker-compose.yaml
+docker-compose.*.yaml
+
+build/
+
+.mvn
+mvnw
+mvnw.cmd

java/Dockerfile

@@ -0,0 +1,8 @@
+FROM maven:3.9.6-eclipse-temurin-21
+
+WORKDIR /app
+COPY . .
+
+RUN mvn clean package -DskipTests
+
+ENTRYPOINT ["java", "-jar", "target/spring-boot-0.0.1-SNAPSHOT.jar"]

java/src/main/java/java_app/spring_boot/Application.java

@@ -0,0 +1,11 @@
+package java_app.spring_boot;
+
+import org.springframework.boot.SpringApplication;
+import org.springframework.boot.autoconfigure.SpringBootApplication;
+
+@SpringBootApplication
+public class Application {
+    public static void main(String[] args) {
+        SpringApplication.run(Application.class, args);
+    }
+}

java/src/main/java/java_app/spring_boot/MirrorController.java

@@ -0,0 +1,39 @@
+package java_app.spring_boot;
+
+import org.springframework.web.bind.annotation.*;
+import org.springframework.http.HttpHeaders;
+import jakarta.servlet.http.HttpServletRequest;
+
+@RestController
+public class MirrorController {
+
+    private final String serverName = System.getenv().getOrDefault("NAME", "unnamed");
+
+    @GetMapping(path = "/**") // Obsługuje dowolną ścieżkę
+    public String mirrorRequest(HttpServletRequest request) {
+
+        String ip = request.getRemoteAddr();
+        String method = request.getMethod();
+        String scheme = request.getScheme();
+        String host = request.getHeader(HttpHeaders.HOST);
+        String path = request.getRequestURI();
+        String queryString = request.getQueryString() != null ? "?" + request.getQueryString() : "";
+
+        StringBuilder responseText = new StringBuilder();
+
+        responseText.append("Server Name: ").append(serverName).append("\n");
+        responseText.append("IP Address (Remote): ").append(ip).append("\n");
+        responseText.append("Method: ").append(method).append("\n");
+        responseText.append("Scheme: ").append(scheme).append("\n");
+        responseText.append("Host: ").append(host).append("\n");
+        responseText.append("Path: ").append(path).append("\n");
+        responseText.append("QueryString: ").append(queryString).append("\n");
+        responseText.append("Headers:\n");
+
+        request.getHeaderNames().asIterator().forEachRemaining(headerName -> {
+            responseText.append("  ").append(headerName).append(": ").append(request.getHeader(headerName)).append("\n");
+        });
+
+        return "<pre>" + responseText.toString() + "</pre>";
+    }
+}

nginx/nginx.conf

@@ -6,6 +6,11 @@ http {
         server dotnet-2;
     }
 
+    upstream java_app {
+        server java-1;
+        server java-2;
+    }
+
     server {
         listen 80;
 
@@ -24,5 +29,14 @@ http {
             proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
             proxy_set_header X-Forwarded-Proto $scheme;
         }
+
+        location /java/ {
+            proxy_pass http://java_app;
+            proxy_http_version 1.1;
+            proxy_set_header Host $host;
+            proxy_set_header X-Real-IP $remote_addr;
+            proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
+            proxy_set_header X-Forwarded-Proto $scheme;
+        }
     }
 }